Fig. 6. Quantitation of GA4 movement properties in vivo: (A) schematic illustration of the experimental setup for characterizing GA4 movement. (B and C) Fluorescence response of GFP-RGA at the root tip following photoactivation of 4 (5 μM, 365/10 nm, 2 mW cm–2, 10 s) at indicated distances, measuring the decay length (B) or velocity (C). Error bars represent SEM.
